Error
code
Description Action
31.21 Toner Level Sensing reading out of range Go to “Toner level sensing error check” on
page 235.
31.22 Excessive toner sensing line noise Go to “Toner level sensing error check” on
page 235.
31.23 Abrupt change detected in toner sensing reading Go to “Toner level sensing error check” on
page 235.
31.25 Toner level sensing calibration capacitor reading too low Go to “Toner level sensing error check” on
page 235.
31.40 Toner cartridge smart chip error Go to “Toner cartridge smart chip error service
check” on page 236.
31.41 Toner cartridge I2C packet time-out Go to “Toner cartridge smart chip error service
check” on page 236.
31.42 Toner cartridge I2C packet has been sent but code timed-out on
receiving the data (callback)
Go to “Toner cartridge smart chip error service
check” on page 236.
31.43 Toner cartridge security error in the send challenge sequence Go to “Toner cartridge smart chip error service
check” on page 236.
31.44 Toner cartridge ROM signature error Go to “Toner cartridge smart chip error service
check” on page 236.
31.45 Toner cartridge stuck or busy; status register and/or CRI Arbiter
register report busy
Go to “Toner cartridge smart chip error service
check” on page 236.
31.60 Imaging unit smart chip error Go to “Imaging unit smart chip service check”
on page 236.
31.61 Imaging unit I2C packet time-out Go to “Imaging unit smart chip service check”
on page 236.
31.62 Imaging unit I2C packet has been sent, but code timed-out on
receiving the data (callback)
Go to “Imaging unit smart chip service check”
on page 236.
31.63 Imaging unit security error in the send challenge sequence Go to “Imaging unit smart chip service check”
on page 236.
31.64 Imaging unit ROM signature error Go to “Imaging unit smart chip service check”
on page 236.
31.65 Imaging unit stuck or busy; status register and/or CRI Arbiter
register report busy)
Go to “Imaging unit smart chip service check”
on page 236.
31.66 Toner failed to replenish imaging unit
1 Ensure the toner cartridge and the imaging
unit are properly installed.
2 Ensure the toner cartridge contains toner.
Replace if necessary.
31.80 Fuser smart chip error Go to “Fuser unit smart chip service check” on
page 237.
31.81 Fuser I2C packet time-out Go to “Fuser unit smart chip service check” on
page 237.
4063
Diagnostic information
231